Fangrui Product Details 1. S8 Ultra 1.81 Inch Color Screen Smart Watch,support Heart Rate Monitoringblood Pressure Monitoring 2. About Product 3. Battery Capacity: 160mah 4. Bluetooth Version :ble4.05.0 5. Charging Method:wireless Charging 6. Waterproof Rating: Living Waterproof 7. System: Android System 5.0 Version Or Above,ios System 10.0 Version Or Above 8. Resolution : 240x286 9. Memory:8mbit+32mbit 10. Standby Time:7-15 Days 11. Usage Time:3-5 Days 12. Ui Languages :english (default), French, Arabic, German, Indonesian, Italian, Malaysian, Persian, Spanish, Russian, Vietnamese, Czech, Turkish, Polish, Portuguese, Greek, Filipino, Thai, Chinese, Netherlands, Finland, Ukraine, Sweden, Hungarian 13. App Support Languages:english (default), French, Arabic, German, Indonesian, Italian, Malaysian, Persian, Spanish, Russian, Vietnamese, Czech, Turkish, Polish, Portuguese, Greek, Filipino, Thai, Chinese, Netherlands, Finland, Ukraine, Sweden, Hungarian 14. Function 15. Heart Rate Monitoring,blood Pressure Monitoring,blood Oxygen Monitoring 16. Step,distance,calorie 17. Sleep Monitoring (sleep Duration, Sleep Quality) 18. Intelligent Split Screen Display,scan Code Connection,custom Dial,voice Call,password Lock Screen 19. Leisure Games,sport Mode,water Clock,respiratory Training,find The Bracelet,raise The Wrist To Light The Screen 20. Call Reminder,message Reminder,sedentary Reminder,calculator,alarm Clock Reminder,stopwatch